Supplier Page from Thermo Fisher Scientific for Tantalum foil, 0.025mm (0.001in) thick, 99.997% (metals basis)
2(2-Ethoxyethoxy)ethanol, 98+% from Thermo Fisher Scientific
Esculin hydrate, 97% from Thermo Fisher Scientific
Ethylcyclohexane, 99+% from Thermo Fisher Scientific
Ethylmercurithiosalicylic acid, sodium salt, 97.0-101.0% from Thermo Fisher Scientific